lighter rains into fremont and union city and the south bay. this will all continue to increase throughout the day. the first half of the day looking much, much different than the second half. carolyn. >> lisa, you are the key person this morning. thank you so much. big concern in the north bay is flooding, especially along creeks and rivers. abc7 news reporter kera clapper is live in napa where they are watching that river rise inch by inch. >> yes. inch by inch, carolyn, especially as the rain continues to fall. i've come to the realization this is my lot in life, to be put in situations where the rain is blowing horizontally at me all morning long. the wind is whipping through napa. we have a look at the river this morning whereas carolyn mentioned, flooding is a concern. it was expected that the river would surpass it's flood level about noon today. now that's changed. estimates go anywhere from 1:00 p.m. to between 5:00 p.m. and 6:00 p.m. estimates are the water could rise and reach 25 to 27 feet. elsewhere here in napa you can see downtow